| Potomac to Alcorcon | 3,782.90 mi (6,087.99 km) |
| Potomac to Alcoy | 3,993.61 mi (6,427.10 km) |
| Potomac to Alcudia | 4,128.37 mi (6,643.97 km) |
| Potomac to Aldaya | 3,970.57 mi (6,390.02 km) |
| Potomac to Alella | 4,038.50 mi (6,499.33 km) |
| Potomac to Alfafar | 3,975.30 mi (6,397.63 km) |
| Potomac to Alfaro | 3,829.99 mi (6,163.78 km) |
| Potomac to Algeciras | 3,828.05 mi (6,160.65 km) |
| Potomac to Algemesi | 3,980.17 mi (6,405.46 km) |
| Potomac to Algete | 3,791.82 mi (6,102.35 km) |
| Potomac to Alginet | 3,976.47 mi (6,399.51 km) |
| Potomac to Alguazas | 3,976.53 mi (6,399.61 km) |
| Potomac to Alhama de Murcia | 3,973.75 mi (6,395.13 km) |
| Potomac to Alhaurin de la Torre | 3,856.60 mi (6,206.60 km) |
| Potomac to Alhaurin el Grande | 3,851.01 mi (6,197.61 km) |
